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BATTLE // September 1, 1920

Revolt of Czechoslovak Legion

Source · Wikipedia

Significance

The revolt of the Czechoslovak Legion, stretching from May 1918 through the Legion's eventual evacuation from Siberia in 1920, constituted one of the more consequential interventions in the early phase of the Russian Civil War. Comprising roughly 42,000 troops operating along the Trans-Siberian Railway through the Volga, Ural, and Siberian regions, the Legion seized the initiative against Bolshevik forces as a direct reaction to threats stemming from the Treaty of Brest-Litovsk. The Legion's victories against the Russian SFSR had significant secondary effects: they catalyzed organized anti-Bolshevik resistance in Siberia, most notably energizing the Committee of Members of the Constituent Assembly, and provided a substantial material and psychological boost to White forces broadly. This consolidation of opposition is assessed as having prolonged the Russian Civil War, making the Legion's revolt a pivotal episode not merely for its military outcomes but for the broader shape and duration of the conflict.

Forces & casualties

Troop strength

  • Russian SFSR600,000
    medium
  • Czechoslovak Legion42,000
    medium

Russian SFSR fielded a 14.3 : 1 numerical advantage

Casualties

  • Russian SFSR5,000
    medium1% loss rate
  • Czechoslovak Legion4,000
    medium10% loss rate

Commanders (16)

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6 sibling battles · 4 factions

Last verified June 2026
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